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Finding the Fourth Proportional to 17,666,264.70, 26,479,714.05 and 6,879,980.70

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Solution

The fourth proportional to 17,666,264.70, 26,479,714.05 and 6,879,980.70 is: 10,312,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666,264.70 : 26,479,714.05 = 6,879,980.70 : x
  2. Step 2: Convert to fraction form
    17,666,264.70/26,479,714.05 = 6,879,980.70/x
  3. Step 3: Cross multiply
    17,666,264.70x = 26,479,714.05 × 6,879,980.70
  4. Step 4: Simplify right side
    17,666,264.70x = 182,179,921,605,518.84
  5. Step 5: Solve for x
    x = 182,179,921,605,518.84/17,666,264.70
  6. Step 6: Final answer
    x = 10,312,305.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.